ZIP Code 04623

04623 is one of Maine's ZIP codes, delivering to addresses in Columbia Falls, Washington County.

City: Columbia Falls
County: Washington County
State: Maine
Prefix: 046xx

Where this code sits

04623 is part of the 046xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Columbia Falls.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04623 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04623

The ZIP codes whose reference points sit closest to 04623.
ZIP code	Distance	Delivers to
ZIP code 04643	5.0 mi	Harrington, ME
ZIP code 04606	6.3 mi	Addison, ME
ZIP code 04648	8.7 mi	Jonesboro, ME
ZIP code 04622	9.9 mi	Cherryfield, ME
ZIP code 04649	11 mi	Jonesport, ME
ZIP code 04658	11 mi	Milbridge, ME
ZIP code 04611	13 mi	Beals, ME
ZIP code 04654	14 mi	Machias, ME

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 04623, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 04623. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.